Home / 13,723.32-20,585.80-3,863.36

Finding the Fourth Proportional to 13,723.32, 20,585.80 and 3,863.36

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Solution

The fourth proportional to 13,723.32, 20,585.80 and 3,863.36 is: 5,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.32 : 20,585.80 = 3,863.36 : x
  2. Step 2: Convert to fraction form
    13,723.32/20,585.80 = 3,863.36/x
  3. Step 3: Cross multiply
    13,723.32x = 20,585.80 × 3,863.36
  4. Step 4: Simplify right side
    13,723.32x = 79,530,356.29
  5. Step 5: Solve for x
    x = 79,530,356.29/13,723.32
  6. Step 6: Final answer
    x = 5,795.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.